File Reader Software
Alternatives to ImageGlass
{"intro": "ImageGlass is a desktop image viewer for browsing and viewing files across Windows, macOS and Linux. It opens more than 90 formats, including RAW, HEIC, SVG, WEBP and JXL, and combines thumbnails, slideshows, color picking, EXIF viewing, conversion and hardware-accelerated rendering. Built-in edits cover cropping, resizing, rotating, flipping and lossless compression. Classic is free, while Pro Individual costs $14.90 one-time and adds tools such as an HDR Tone Mapper and File Watcher.\n\nYou may want another app when your priority is culling photos, organizing files, processing batches or comparing images rather than general viewing. ImageGlass has no side-by-side comparison, and its Pro tiers change the cost for commercial or multi-user use. Platform requirements also vary: ImageGlass 10 requires recent Windows, macOS or Linux environments. When switching, weigh format coverage, metadata controls, search, automation and editing depth. Check whether your preferred formats need optional components, and whether a free plan or one-time purchase fits your workflow better.", "rows": [{"ref": "sw:apolloone", "name": "ApolloOne", "best_for": "Mac photographers culling and tagging camera files", "pricing": "Free plan · 14-day trial", "key_difference": "ApolloOne adds photo culling, keyword search, GPS editing, autofocus-point overlays and RAW batch export, but runs only on macOS.", "choose_when": "Choose it for a Mac-focused photo workflow that inspects camera focus points and edits metadata without importing RAW files into a database."}, {"ref": "sw:pictureflect-photo-viewer", "name": "Pictureflect Photo Viewer", "best_for": "Windows users wanting bulk edits and metadata fields", "pricing": "Free plan · 2-day trial", "key_difference": "Pictureflect adds bulk file operations and editable title, date and location metadata, while its format requirements vary by Windows version and packages.", "choose_when": "Choose it when Windows bulk editing, printing and metadata changes matter more than ImageGlass’s broader platform reach."}, {"ref": "sw:xnconvert", "name": "XnConvert", "best_for": "Cross-platform automated batch conversion", "pricing": "Free plan · paid from €29", "key_difference": "XnConvert is built around more than 80 batch operations, reusable presets, watch folders and over 500 input formats rather than primarily viewing.", "choose_when": "Choose it when repeatable collection-wide conversion and edits are more important than ImageGlass’s interactive viewer tools."}, {"ref": "sw:pineapple-pictures", "name": "Pineapple Pictures", "best_for": "A lightweight pinned reference viewer", "pricing": "Free plan", "key_difference": "Pineapple Pictures focuses on lightweight viewing and a Stay-on-Top reference window, with format support tied to Qt plugins.", "choose_when": "Choose it for a free, minimal viewer that keeps a reference image above other software on supported desktop systems."}, {"ref": "sw:geeqie", "name": "Geeqie", "best_for": "Image file management and duplicate finding", "pricing": "Free plan", "key_difference": "Geeqie adds copy, move, rename, delete, metadata tagging, image-similarity search and duplicate comparison to image viewing.", "choose_when": "Choose it when organizing folders, finding duplicates or searching metadata is more important than ImageGlass’s editing and rendering tools."}, {"ref": "sw:qterminal", "name": "QTerminal", "best_for": "Linux or macOS terminal sessions with splits", "pricing": "Free plan", "key_difference": "QTerminal is a terminal emulator with tabs, split panes, dropdown mode and text search, not an image viewer like ImageGlass.", "choose_when": "Choose it only when your need is a lightweight terminal with scripting and pane management rather than image browsing."}, {"ref": "sw:nomacs", "name": "nomacs", "best_for": "Free image comparison and archive browsing", "pricing": "Free plan", "key_difference": "nomacs adds synchronized multi-instance zooming, opacity overlays, histograms, notes, archive browsing and adjustable image corrections.", "choose_when": "Choose it when comparing images, inspecting histograms or browsing images inside ZIP and Office files suits your workflow better."}]}
- 01 Librera Reader
Librera suits readers who use multiple ebook and document formats and want tools such as annotations, dictionaries, or text-to-speech.
Free plan Open source Web · macOS · iOS · Android9.1 Visit Specs - 02
Foxit PDF Reader It suits people who need to read, annotate, sign or complete PDF forms across desktop, mobile and web platforms.
Free plan Web · Windows · macOS · iOS8.9 Visit Specs - 03
FBReader FBReader suits readers who want an ebook app across desktop and mobile platforms, with format support and synchronized reading details.
Free plan Windows · macOS · Linux · iOS8.7 Visit Specs - 04
MuPDF MuPDF suits developers building document features into desktop, cloud/server, or embedded projects.
From $299/mo Free plan Web · Windows · macOS · Linux8.5 Visit Specs - 05 FastStone Image Viewer
It suits Windows users who want image browsing, editing, conversion, or batch work in one program.
Free plan Windows8.4 Visit Specs - 06
Okular Free plan Windows · macOS · Linux8.3 Visit Specs - 07
Mozilla PDF.js It suits developers embedding PDF rendering in web applications, browser extensions, or self-hosted viewers.
Free plan Web · Linux · API · Self-hosted8.2 Visit Specs - 08 IrfanView
IrfanView suits Windows users who need image viewing alongside batch processing, conversion, and editing tools.
From $18/mo Free plan Windows8.1 Visit Specs - 09 Kobo Books
Kobo Books suits listeners who want audiobook access on a phone, tablet, or supported Bluetooth Kobo eReader.
From $7.99/mo Free trial Web · iOS · Android8.1 Visit Specs - 10
Apple Books Digital Narration Free plan Web7.9 Visit Specs - 11 ReadEra
ReadEra suits readers who want to manage and annotate a varied collection of books and documents.
Free plan macOS · iOS · Android7.9 Visit Specs - 12 Google Play Books Auto-narrated Audiobooks
It suits publishers with eligible EPUB titles, audio rights, and a need for digitally narrated editions.
Free plan Web7.8 Visit Specs - 13 Kindle Create Free plan Windows · macOS7.7 Visit Specs
- 14 SumatraPDF
It suits Windows users who want a free reader with broad document-format support, annotation and form tools, accessibility features, or portable use.
Free plan Windows7.6 Visit Specs - 15
qView qView suits people who want a minimal image viewer on Windows, macOS, or Linux.
Free plan Windows · macOS · Linux7.4 Visit Specs - 16 Moon+ Reader Android7.3 Visit Specs
- 17 Universal Viewer
Universal Viewer suits Windows users who need to inspect varied image, media, document, and text files in one application.
Free plan Windows7.1 Visit Specs - 18 File Viewer Plus Windows6.0 Visit Specs
- 19
KOReader macOS · Linux · Android5.8 Visit Specs - 20
Papers Linux5.8 Visit Specs - 21 Thorium Reader Windows · macOS · Linux · iOS5.5 Visit Specs
- 22 XnView MP Windows · macOS · Linux5.3 Visit Specs
- 23 XnView Classic Windows5.1 Visit Specs
ImageGlass, head to head
- ImageGlass vs Librera Reader
- ImageGlass vs Foxit PDF Reader
- ImageGlass vs FBReader
- ImageGlass vs MuPDF
- ImageGlass vs FastStone Image Viewer
- ImageGlass vs Okular
- ImageGlass vs Mozilla PDF.js
- ImageGlass vs IrfanView
- ImageGlass vs Kobo Books
- ImageGlass vs Apple Books Digital Narration
- ImageGlass vs ReadEra
- ImageGlass vs Google Play Books Auto-narrated Audiobooks